Hieracium subgen. Pilosella: Progenies diversity in facultative apomictic and sexual taxa.

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Authors	ROTREKLOVÁ Olga BUREŠ Petr
Year of publication	2006
Type	Article in Proceedings
Conference	9th International Hieracium Workshop, Trenta (Julian Alps), Slovenia.
MU Faculty or unit	Faculty of Science
Citation
Field	Botany
Keywords	apomixis; sexuality; hybridization; haploid parthenogenesis; addition hybrid; unreduced gamete; FCSS
Description	Three progeny groups were analysed by flow cytometry seed screen. Progeny of apomictic hexaploid Hieracium bauhini and sexual hexaploid Hieracium pilosella were uniform. In progeny of pentaploid facultative apomictic Hieracium bauhini four different groups of progeny were found: pentaploids of apomictic origin, pentaploids of sexual origin (hybrids), octoploids of sexual origin (addition hybrids) and one triplod originated via haploid parthenogenesis.
Related projects:	Diversity of Biotic Communities and Populations: Causal Analysis of variation in space and time Biodiversity Research Center